There is 16 possible outcomes when spinning a spinner numbered from 1 to 8 and tossing coin.
The 3 would be the y, so it would be 4x-3y
The correct answer is $44.20.
If we add up all the tips, the total is $442. If we divide this by the number of days (10), then we find the mean.
442 / 10 = 44.2
I remember CUP -- concave up positive. Here we have a leading coefficient that's negative, so the cup is upside down, the parabola opens down, an arch not a bowl.
Remember that when you find 30% of the number you have to subtract the 30% from your original $90 because it is 30% off the original price.
